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1109797105 = 5435161847
BaseRepresentation
bin100001000100110…
…0010100011110001
32212100021112102111
41002021202203301
54233102001410
6302042445321
736334056034
oct10211424361
92770245374
101109797105
1151a4a6a9a
1226b803841
13148c010a1
14a756d01b
156766db8a
hex422628f1

1109797105 has 8 divisors (see below), whose sum is σ = 1362727872. Its totient is φ = 867190128.

The previous prime is 1109797103. The next prime is 1109797151. The reversal of 1109797105 is 5017979011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1109797105 - 21 = 1109797103 is a prime.

It is a super-2 number, since 2×11097971052 = 2463299228532762050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109797103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580709 + ... + 2581138.

It is an arithmetic number, because the mean of its divisors is an integer number (170340984).

Almost surely, 21109797105 is an apocalyptic number.

It is an amenable number.

1109797105 is a deficient number, since it is larger than the sum of its proper divisors (252930767).

1109797105 is an equidigital number, since it uses as much as digits as its factorization.

1109797105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161895.

The product of its (nonzero) digits is 19845, while the sum is 40.

The square root of 1109797105 is about 33313.6174109027. The cubic root of 1109797105 is about 1035.3357153458.

The spelling of 1109797105 in words is "one billion, one hundred nine million, seven hundred ninety-seven thousand, one hundred five".

Divisors: 1 5 43 215 5161847 25809235 221959421 1109797105